| All Patents in class 415/182.1 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 4,405X | Apr. 19, 1826 | R. Wilcox | Conical water wheel |
 | 5,684X | Oct. 19, 1829 | Z. Parker | Hydraulic power |
 | 1,658 | Jun. 27, 1840 | Z. Parker, R. McKelvey | Improvement in Percussion and Reaction Water Wheels |
| | 23,144 | Mar. 08, 1859 | A. Andrews | Water Wheel |
 | 33,693 | Nov. 12, 1861 | R. Cook | Improved Exhaust-Fan |
 | 33,694 | Nov. 12, 1861 | R. Cook | Improved Fan-Blower |
 | 86,469 | Feb. 02, 1869 | B.F. Sturtevant | Improvement in blowers |
| | 93,964 | Aug. 24, 1869 | H. Call | Improvement in Apparatus for Transmitting Power by the Medium of Air |
 | 195,182 | Sep. 11, 1877 | B.F. Sturtevant | Exhaust Fans or Blowers |
| | 1,964,033 | Jun. 26, 1934 | R.V. Cook | Underground Pumping System |
